The Time (In Minutes)it Takes to Assemble a Computer Component $$\text { Use } \alpha = .05 \text {. }$$

question 86

Essay

The time (in minutes)it takes to assemble a computer component for three different
machines is listed below. Workers are randomly selected. Use the Kruskal-Wallis test to
test the claim that there is no difference in the distribution of the populations. $$\text { Use } \alpha = .05 \text {. }$$ $$\begin{array} { c | c | c } \text { Machine 1 } & \text { Machine 2 } & \text { Machine 3 } \\\hline 26 & 34 & 22 \\25 & 23 & 19 \\26 & 32 & 23 \\24 & 27 & 25 \\27 & 29 & 24 \\25 & 26 & 21 \\26 & 30 & 31\end{array}$$

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Definitions:

Superior Vena Cava

A large vein carrying deoxygenated blood from the head, neck, upper limb, and chest back to the heart.

Inferior Vena Cava

The large vein that carries deoxygenated blood from the lower and middle parts of the body into the right atrium of the heart.

Right Ventricle

The chamber of the heart responsible for pumping deoxygenated blood to the lungs via the pulmonary artery.

Mitral Valve

A valve in the heart located between the left atrium and left ventricle that allows blood to flow one way: from the atrium into the ventricle.